Eaton / Westinghouse HQNP3040 – 40A 3 Pole Miniature Circuit Breaker Must Have

A drop-in replacement for aging electrical systems, the Eaton HQNP3040 is a 3-pole, 40A plug-on breaker. It installs seamlessly into older Westinghouse and Eaton Quicklag load centers, providing a reliable solution for maintaining existing infrastructure. Engineered to match original specifications, this legacy unit is the direct predecessor to the HQP3040. It features thermal-magnetic trip technology, a 10kAIC rating at 240VAC, and is HACR rated for commercial HVAC applications.